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๐Ÿ“œIntro to Political Science Unit 10 Review

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10.1 Democracies: Parliamentary, Presidential, and Semi-Presidential Regimes

๐Ÿ“œIntro to Political Science
Unit 10 Review

10.1 Democracies: Parliamentary, Presidential, and Semi-Presidential Regimes

Written by the Fiveable Content Team โ€ข Last updated September 2025
Written by the Fiveable Content Team โ€ข Last updated September 2025
๐Ÿ“œIntro to Political Science
Unit & Topic Study Guides

Democratic regimes come in various forms, each with unique structures and power dynamics. Parliamentary systems fuse executive and legislative branches, while presidential systems keep them separate. Semi-presidential systems blend elements of both, creating a dual executive structure.

Heads of state and government play crucial roles in democratic systems, with responsibilities varying based on regime type. The selection and duties of executive leaders differ across systems, impacting how power is exercised and national legitimacy is maintained.

Democratic Regime Types

Parliamentary vs presidential democratic regimes

  • Parliamentary systems
    • Executive and legislative branches are fused, with the prime minister and cabinet being members of the legislature
    • Prime minister is the head of government, chosen by the legislature (usually the leader of the majority party or coalition)
      • Must maintain the confidence of the legislature to remain in power, facing removal through a vote of no confidence
    • Head of state is typically a monarch (constitutional monarchy) or a president with mostly ceremonial powers (parliamentary republic)
  • Presidential systems
    • Executive and legislative branches are separate, with a clear division of powers (separation of powers)
    • President is both the head of state and head of government, directly elected by the people for a fixed term
      • Cannot be removed by the legislature except through impeachment for serious misconduct
    • Cabinet members are appointed by the president and do not need legislative approval, serving at the president's discretion
  • Semi-presidential systems
    • Combination of parliamentary and presidential features, with a dual executive structure
    • Dual executive: both a president (head of state) and a prime minister (head of government)
      • President is directly elected by the people and has significant political powers
      • Prime minister is chosen by the legislature and is responsible for the day-to-day governance
    • Power-sharing between the president and prime minister varies depending on the country and political circumstances (France, Russia)

Roles of heads of state and government

  • Head of state
    • Represents the nation in international affairs, conducting state visits and signing treaties
    • Performs ceremonial functions, such as opening parliament sessions and presenting awards
    • In parliamentary systems
      • Typically a monarch (United Kingdom, Japan) or a president with limited political power (Germany, India)
      • Selected through hereditary succession (monarchies) or elected by the legislature (parliamentary republics)
    • In presidential systems
      • The president serves as both head of state and head of government (United States, Brazil)
      • Directly elected by the people, often through an electoral college system
    • In semi-presidential systems
      • The president is directly elected and serves as the head of state, with varying degrees of political power
  • Head of government
    • Responsible for managing the day-to-day operations of the government and implementing policies
    • In parliamentary systems
      • The prime minister serves as the head of government, leading the cabinet and setting the legislative agenda
      • Chosen by the legislature and must maintain its confidence to remain in power
    • In presidential systems
      • The president serves as both head of state and head of government, directing the executive branch
    • In semi-presidential systems
      • The prime minister serves as the head of government, appointed by the president with the approval of the legislature
      • Must maintain the confidence of both the president and the legislature to remain in power

Selection and duties of executive leaders

  • In parliamentary systems
    • Prime minister is usually the leader of the majority party or coalition in the legislature
    • Elected members of the legislature vote to select the prime minister
    • Prime minister appoints cabinet members from the legislature and directs the executive branch
    • Prime minister is responsible for implementing policies and managing the government
  • In presidential systems
    • President is directly elected by the people, often through a two-round system or an electoral college
    • President appoints cabinet members and other high-level officials, subject to legislative confirmation
    • President directs the executive branch, signs or vetoes legislation, and conducts foreign policy
  • In semi-presidential systems
    • President is directly elected by the people and appoints the prime minister with legislative approval
    • Prime minister is usually the leader of the majority party or coalition in the legislature
    • President and prime minister share executive powers, with the balance varying by country and political context
    • Prime minister manages the government and is responsible to both the president and the legislature

Head of state in national legitimacy

  • In parliamentary systems
    • The head of state, often a monarch or a president, serves as a symbol of national unity and continuity
    • Provides a sense of stability and tradition, especially during times of political uncertainty or transition
    • Acts as a neutral arbiter in political disputes, ensuring the smooth functioning of the government (Queen Elizabeth II)
  • In presidential systems
    • The president, as both head of state and head of government, embodies the nation's political leadership
    • Directly elected by the people, providing a strong mandate and legitimacy to govern
    • Serves as a unifying figure, especially during times of crisis or national emergency (President Kennedy's leadership during the Cuban Missile Crisis)
  • In semi-presidential systems
    • The president, as the head of state, represents the nation and provides a sense of stability
    • Directly elected by the people, the president enjoys a strong mandate and contributes to the legitimacy of the government
    • Power-sharing between the president and prime minister can help balance competing political interests and maintain national unity (French cohabitation periods)

Institutional Structures in Democratic Regimes

  • Separation of powers: Division of government responsibilities into distinct branches to prevent concentration of power
  • Checks and balances: System where each branch of government has some oversight over the actions of other branches
  • Executive power: Authority vested in the head of government to implement and enforce laws
  • Legislative power: Authority of the legislature to make, amend, and repeal laws
  • Judicial review: Power of courts to examine the constitutionality of laws and government actions
  • Federalism: System of government where power is divided between a central authority and constituent political units
  • Bicameralism: Legislative system with two chambers, often used to represent different constituencies or interests